Input: MT - make slot cleanup callable outside mt_sync_frame()

Some semi-mt drivers use the slots in a manual way, but may still
want to call parts of the frame synchronization logic. This patch
makes input_mt_drop_unused callable from those drivers.

Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Reviewed-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/input/mt.h b/include/linux/input/mt.h
index 1b1dfa80d9ff..f583ff639776 100644
--- a/include/linux/input/mt.h
+++ b/include/linux/input/mt.h
@@ -105,6 +105,7 @@ void input_mt_report_slot_state(struct input_dev *dev,
 
 void input_mt_report_finger_count(struct input_dev *dev, int count);
 void input_mt_report_pointer_emulation(struct input_dev *dev, bool use_count);
+void input_mt_drop_unused(struct input_dev *dev);
 
 void input_mt_sync_frame(struct input_dev *dev);